which human activity can have the greatest positive effect on the global climate change by helping to reduce the amount of carbon dioxide in the atmosphere?

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

When analyzing tree rings, what do scientists assume a thin ring indicates?

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants